[n] A. Hoffmann et al., “Optimization of the THz SASE FEL at PITZ”, presented at the IPAC'23, Venice, Italy, May 2023, paper TUPL011, unpublished.
%\cite{Hoffmann:IPAC23-TUPL011} \bibitem{Hoffmann:IPAC23-TUPL011} A. Hoffmann \emph{et al.}, \textquotedblleft{Optimization of the THz SASE FEL at PITZ}\textquotedblright, presented at the IPAC’23, Venice, Italy, May 2023, paper TUPL011, unpublished.
@unpublished{hoffmann:ipac23-tupl011, author = {A. Hoffmann and others}, title = {{Optimization of the THz SASE FEL at PITZ}}, booktitle = {Proc. IPAC'23}, pages = {}, paper = {TUPL011}, venue = {Venice, Italy}, intype = {presented at the}, series = {International Particle Accelerator Conference}, number = {14}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {9}, year = {2023}, issn = {2673-5490}, isbn = {978-3-95-450231-8}, note = {presented at IPAC'23, Venice, Italy, May 2023, paper TUPL011, unpublished}, language = {english} }